Home / 222,307.26-306,784.02-121,705.26

Finding the Fourth Proportional to 222,307.26, 306,784.02 and 121,705.26

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Solution

The fourth proportional to 222,307.26, 306,784.02 and 121,705.26 is: 167,953.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,307.26 : 306,784.02 = 121,705.26 : x
  2. Step 2: Convert to fraction form
    222,307.26/306,784.02 = 121,705.26/x
  3. Step 3: Cross multiply
    222,307.26x = 306,784.02 × 121,705.26
  4. Step 4: Simplify right side
    222,307.26x = 37,337,228,917.95
  5. Step 5: Solve for x
    x = 37,337,228,917.95/222,307.26
  6. Step 6: Final answer
    x = 167,953.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.